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Check if a value is an object in JavaScript
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Original answer:
Try using typeof(var) and/or var instanceof something.
EDIT: This answer gives an idea of how to examine variable's properties, but it is not a bulletproof recipe (after all there's no recipe at all!) for checking whether it's an object, far from it. Since people tend to look for s...
SQL Server - stop or break execution of a SQL script
...diately stop execution of a SQL script in SQL server, like a "break" or "exit" command?
20 Answers
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Aborting a stash pop in Git
...nlike the question that is listed as a duplicate, I already had some uncommitted changes in the directory which I wanted to keep. I don't just want to make the merge conflict disappear, but also to get my directory back to the state it was before the pop.
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How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
...emove the orange or blue border (outline) around text/input boxes? I think it only happens on Chrome to show that the input box is active. Here's the input CSS I'm using:
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Step-by-step debugging with IPython
...is makes debugging individual functions easy, as you can just load a file with %load and then run a function. You could force an error with an assert at the right position.
%pdb is a line magic. Call it as %pdb on, %pdb 1, %pdb off or %pdb 0. If called without argument it works as a toggle.
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Aren't Python strings immutable? Then why does a + “ ” + b work?
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It's even more convincing to try something like x = 'abc'; x[1] = 'x' in the Python repl
– xpmatteo
May 23 '17 at 6:11
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Python read-only property
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Generally, Python programs should be written with the assumption that all users are consenting adults, and thus are responsible for using things correctly themselves. However, in the rare instance where it just does not make sense for an attribute to be settable ...
HTTPS connections over proxy servers
Is it possible to have HTTPS connections over proxy servers? If yes, what kind of proxy server allows this?
9 Answers
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Determine the line of code that causes a segmentation fault?
... do that but GDB (a debugger) sure can. Compile you program using the -g switch, like this:
gcc program.c -g
Then use gdb:
$ gdb ./a.out
(gdb) run
<segfault happens here>
(gdb) backtrace
<offending code is shown here>
Here is a nice tutorial to get you started with GDB.
Where the ...
Installing Python packages from local file system folder to virtualenv with pip
Is it possible to install packages using pip from the local filesystem?
10 Answers
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